Search Results - "Belli, E A"

Reversal of Simple Hydrogenic Isotope Scaling Laws in Tokamak Edge Turbulence by Belli, E. A., Candy, J., Waltz, R. E.

“…The role of nonadiabatic electrons in regulating the hydrogenic isotope-mass scaling of gyrokinetic turbulence in tokamak fusion plasmas is assessed in the…”
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Intrinsic rotation driven by non-Maxwellian equilibria in Tokamak plasmas by Barnes, M, Parra, F I, Lee, J P, Belli, E A, Nave, M F F, White, A E

“…The effect of small deviations from a Maxwellian equilibrium on turbulent momentum transport in tokamak plasmas is considered. These non-Maxwellian features,…”
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Spectral treatment of gyrokinetic shear flow by Candy, J., Belli, E.A.

“…Sheared E×B flow in a tokamak, driven by external torque from neutral beam injection, is known to have an important stabilizing effect on drift-wave…”
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Neoclassical transport including collisional nonlinearity by Candy, J, Belli, E A

“…In the standard δf theory of neoclassical transport, the zeroth-order (Maxwellian) solution is obtained analytically via the solution of a nonlinear equation…”
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A high-accuracy Eulerian gyrokinetic solver for collisional plasmas by Candy, J., Belli, E.A., Bravenec, R.V.

“…We describe a new approach to solve the electromagnetic gyrokinetic equations which is optimized for accurate treatment of multispecies Fokker–Planck…”
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Spectral treatment of gyrokinetic shear flow by Candy, J., Belli, E. A.

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A numerical instability in an ADI algorithm for gyrokinetics by Belli, E.A., Hammett, G.W.

“…We explore the implementation of an Alternating Direction Implicit (ADI) algorithm for a gyrokinetic plasma problem and its resulting numerical stability…”
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Successful prediction of tokamak transport in the L-mode regime by Staebler, G. M., Park, J. M., Hassan, E., Angioni, C., Fable, E., Bourdelle, C., Kinsey, J. E., Holland, C., Belli, E. A., Neiser, T., Candy, J., Waltz, R. E.

“…Abstract A long standing shortfall in the predicted L-mode edge energy transport by reduced quasi-linear models of gyrokinetic turbulent transport has been…”
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A high-accuracy Eulerian gyrokinetic solver for collisional plasmas by Candy, J., Belli, E. A., Bravenec, R. V.

“…We describe here a new approach to solve the electromagnetic gyrokinetic equations which is optimized for accurate treatment of multispecies Fokker–Planck…”
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On the origin of the DIII-D L-H power threshold isotope effect by Callahan, K. J., Schmitz, L., Carter, T. A., Belli, E. A., Chrystal, C., Haskey, S. R., Grierson, B. A., Thome, K. E., Smith, S. P., McKee, G. R., Staebler, G. M., Holland, C., Ashourvan, A., Yan, Z.

“…The increased low to high confinement mode (L to H-mode) power threshold PLH in DIII-D hydrogen plasmas (compared to deuterium) is shown to result from lower…”
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Turbulence stabilization in tokamak plasmas with high population of fast ions by Kim, D., Park, S.J., Choi, G.J., Cho, Y.W., Kang, J., Han, H., Candy, J., Belli, E.A., Hahm, T.S., Na, Y.-S., Sung, C.

“…Abstract This letter provides a new physical insight into the fast ion effects on turbulence in plasmas having a high fast ion fraction and peaked fast ion…”
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Investigation of fast ion effects on core turbulence in FIRE mode plasmas by Kim, D., Park, S.J., Choi, G.J., Cho, Y.W., Kang, J., Han, H., Candy, J., Belli, E.A., Na, Y.-S., Hahm, T.S., Sung, C.

“…Abstract Further investigation of fast ion effects on turbulence and transport in the fast ion regulated enhancement (FIRE) mode discharge (Han et al 2022…”
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Neoclassical Transport Including Collisional Nonlinearity by Candy, J., Belli, E. A.

“…In the standard {delta}f theory of neoclassical transport, the zeroth-order (Maxwellian) solution is obtained analytically via the solution of a nonlinear…”
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Successful prediction of tokamak transport in the L-mode regime by Staebler, G.M., Park, J.M., Hassan, E., Angioni, C., Fable, E., Bourdelle, C., Kinsey, J.E., Holland, C., Belli, E.A., Neiser, T., Candy, J., Waltz, R.E.

“…Abstract A long standing shortfall in the predicted L-mode edge energy transport by reduced quasi-linear models of gyrokinetic turbulent transport has been…”
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Prediction of transport in the JET DTE2 discharges with TGLF and NEO models using the TGYRO transport code by Shi, N., Staebler, G.M., Belli, E.A., McClenaghan, J., Kim, H-T., Auriemma, F., Kirov, K., Frigione, D., Garzotti, L., Zotta, V.K., Rimini, F., Van Eester, D., Lomas, P.

“…Abstract The JET Deuterium-Tritium-Experiment Campaign 2 (DTE2) has demonstrated the highest-ever fusion energy production. To forecast the transport dynamics…”
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On the origin of the DIII-D L-H power threshold isotope effect by Callahan, K.J., Schmitz, L., Carter, T.A., Belli, E.A., Chrystal, C., Haskey, S.R., Grierson, B.A., Thome, K.E., Smith, S.P., McKee, G.R., Staebler, G.M., Holland, C., Ashourvan, A., Yan, Z.

“…Abstract The increased low to high confinement mode (L to H-mode) power threshold P L H in DIII-D low collisionality hydrogen plasmas (compared to deuterium)…”
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Understanding the L-H isotope effect at the DIII-D tokamak and advancements in synthetic turbulence diagnostics by Callahan, K.J., Schmitz, L., Pratt, Q., Carter, T.A., Wang, G., Zhang, H., Holland, C., Haskey, S.R., Angulo, A., Bortolon, A., Effenberg, F., Belli, E.A., Chrystal, C., Thome, K.E., Ashourvan, A., Neiser, T., Knolker, M., Khabanov, F., Yan, Z., McKee, G.R., Chaban, R., Wilcox, R.S., Holm, A., Scotti, F., Truong, D., Gerrú, R.

“…Abstract It is determined that while heat flux differences between hydrogen and deuterium isotope experiments result from natural differences in carbon…”
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Theoretical description of heavy impurity transport and its application to the modelling of tungsten in JET and ASDEX Upgrade by Casson, F. J, Angioni, C, Belli, E. A, Bilato, R, Mantica, P, Odstrcil, T, Puetterich, T, Valisa, M, Garzotti, L, Giroud, C, Hobirk, J, Maggi, C. F, Mlynar, J, Reinke, M. L, contributors, JET EFDA, team, ASDEX-Upgrade

“…Plasma Phys. Control. Fusion 57 (2015) 014031 Recent developments in theory-based modelling of core heavy impurity transport are presented, and shown to be…”
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Intrinsic rotation driven by non-Maxwellian equilibria in tokamak plasmas by Barnes, M, Parra, F. I, Lee, J. P, Belli, E. A, Nave, M. F. F, White, A. E

“…The effect of small deviations from a Maxwellian equilibrium on turbulent momentum transport in tokamak plasmas is considered. These non-Maxwellian features,…”
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Simulating Gyrokinetic Microinstabilities in Stellarator Geometry with GS2 by Baumgaertel, J. A, Belli, E. A, Dorland, W, Guttenfelder, W, Hammett, G. W, Mikkelsen, D. R, Rewoldt, G, Tang, W. M, Xanthopoulos, P

“…Phys. Plasmas 18, 122301 (2011) The nonlinear gyrokinetic code GS2 has been extended to treat non-axisymmetric stellarator geometry. Electromagnetic…”
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